{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Gastric CO2 / HCO3 was determined in absence of simultaneous inhibition of acid secretion by intra - and extragastric pCO2 / pH measurements in 23 persons and calculated using the equation of Henderson - Hasselbalch . pCO2 was measured with use of a new electrode ."}
{"GENE": []}